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Segment Reporting and Geographic Information - Summary of Results for Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting and Geographic Information |  |  |  |
Revenues | $ 1,509,453 | $ 1,119,898 | $ 2,922,867 | $ 2,213,158
Operating segments |  |  |  |
Segment Reporting and Geographic Information |  |  |  |
Revenues | 1,509,332 | 1,120,123 | 2,922,886 | 2,213,697
Segment gross margin | 919,718 | 712,674 | 1,776,945 | 1,425,438
Operating segments | Semiconductor Process Control |  |  |  |
Segment Reporting and Geographic Information |  |  |  |
Revenues | 1,247,430 | 1,094,013 | 2,411,062 | 2,163,972
Segment gross margin | 795,730 | 702,119 | 1,538,072 | 1,404,350
Operating segments | Specialty Semiconductor Process |  |  |  |
Segment Reporting and Geographic Information |  |  |  |
Revenues | 75,106 | 0 | 144,245 | 0
Segment gross margin | 41,333 | 0 | 79,497 | 0
Operating segments | PCB, Display and Component Inspection |  |  |  |
Segment Reporting and Geographic Information |  |  |  |
Revenues | 186,279 | 26,110 | 364,831 | 49,725
Segment gross margin | 82,538 | 10,555 | 158,606 | 21,088
Operating segments | Other |  |  |  |
Segment Reporting and Geographic Information |  |  |  |
Revenues | 517 | 0 | 2,748 | 0
Segment gross margin | $ 117 | $ 0 | $ 770 | $ 0

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